IT9060459U1 - RING SUPPORT FOR ROLLING CAGES WITH ROLLER ROLLERS - Google Patents
RING SUPPORT FOR ROLLING CAGES WITH ROLLER ROLLERS Download PDFInfo
- Publication number
- IT9060459U1 IT9060459U1 IT060459U IT6045990U IT9060459U1 IT 9060459 U1 IT9060459 U1 IT 9060459U1 IT 060459 U IT060459 U IT 060459U IT 6045990 U IT6045990 U IT 6045990U IT 9060459 U1 IT9060459 U1 IT 9060459U1
- Authority
- IT
- Italy
- Prior art keywords
- flange
- toric
- support
- rings
- ring
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000003831 antifriction material Substances 0.000 claims abstract description 3
- 230000013011 mating Effects 0.000 claims abstract description 3
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/03—Sleeved rolls
- B21B27/035—Rolls for bars, rods, rounds, tubes, wire or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
Abstract
Description
"SUPPORTO PER ANELLI PER GABBIE DI LAMINAZIONE CON RULLI A SBALZO" "SUPPORT FOR RINGS FOR LAMINATING CAGES WITH EMBOSSED ROLLERS"
CAMPO DI APPLICAZIONE FIELD OF APPLICATION
Forma oggetto del presente trovato un supporto per anelli per gabbie di laminazione con rulli a sbalzo come espresso nella rivendicazione principale. The present invention relates to a support for rings for rolling stands with cantilevered rollers as expressed in the main claim.
Più precisamente, forma oggetto del presente trovato un supporto migliorato che serve per sostenere, posizionare, portare e mantenere in rotazione gli anelli dei rulli a sbalzo di una gabbia di laminazione . More precisely, the present invention relates to an improved support which serves to support, position, carry and keep in rotation the rings of the cantilevered rollers of a rolling stand.
STATO DELLA TECNICA STATE OF THE TECHNIQUE
Sono note le gabbie di laminazione con rulli a sbalzo in cui le gabbie di laminazione riportano degli anelli con una o due gole di laminazione, essendo detti anelli sostitutivi dei normali cilindri. E<1 >noto che detti anelli sono attualmente in materiale molto duro di tipo sinterizzato. Rolling stands with cantilevered rollers are known in which the rolling stands have rings with one or two rolling grooves, said rings being substitutes for normal rolls. It is known that said rings are currently made of very hard material of the sintered type.
E' anche noto che detti anelli vengono montati, ed ivi bloccati, su supporti appositi che servono sia per sostenere e posizionare reciprocamente gli anelli, sia per trasmettere loro il moto rotatorio Il moto rotatorio normalmente non viene trasmesso mediante spine o chiavette, ma viene trasmesso per attrito . It is also known that said rings are mounted, and locked therein, on special supports which serve both to support and reciprocally position the rings, and to transmit the rotary motion to them The rotary motion is not normally transmitted by means of pins or keys, but is transmitted by friction.
E’ quindi evidente che detti supporti assolvono a funzioni molto importanti ed essenziali per il funzionamento della gabbia di laminazione. It is therefore evident that said supports perform very important and essential functions for the operation of the rolling stand.
Un sistema di montaggio degli anelli a sbalzo sui detti supporti 10 è quindi una parte essenziale del supporto affinchè esso possa assolvere al meglio le sue funzioni; attualmente un sistema preferenziale è quello illustrato in fig. 1. A system for mounting the cantilevered rings on said supports 10 is therefore an essential part of the support so that it can perform its functions in the best possible way; currently a preferential system is that illustrated in fig. 1.
In tale figura si vede un anello 11 montato sull'albero 16, che presenta la prima flangia 12, essendo presente la seconda flangia 13 con semialbero 116. In this figure we see a ring 11 mounted on the shaft 16, which has the first flange 12, the second flange 13 with half shaft 116 being present.
I due alberi 16 e 116 sostanzialmente si appoggiano lungo la linea di giunzione 15 che trovasi in una posizione intermedia della lunghezza del foro di calettamento dell'anello 11. The two shafts 16 and 116 substantially rest along the seam 15 which is in an intermediate position along the length of the keying hole of the ring 11.
Per bloccare la seconda flangia 13 contro la prima flangia 12, e quindi per bloccare in posizione intermedia l'anello 11, si utilizzano le viti 14. To lock the second flange 13 against the first flange 12, and therefore to lock the ring 11 in an intermediate position, the screws 14 are used.
Sulla prima flangia 12 e sulla seconda flangia 13 sono presenti sottosquadri 17 che servono come mezzi di precarica nel serraggio. On the first flange 12 and on the second flange 13 there are undercuts 17 which serve as means of pre-loading in the tightening.
Questa soluzione, sotto carico, comporta una pluralità di inconvenienti che riducono sia la durata che la capacità della soluzione nota. This solution, under load, involves a plurality of drawbacks which reduce both the duration and the capacity of the known solution.
Un primo inconveniente sono le rotture 18 che intervengono nella prima flangia 12. A first drawback are the breaks 18 which intervene in the first flange 12.
Un secondo inconveniente sono le flessioni 19 che intervengono nella prima flangia 12 e che non permettono un corretto posizionamento dell'anello 11, dette flessioni 19 rimanendo permanenti. A second drawback are the flexures 19 which intervene in the first flange 12 and which do not allow correct positioning of the ring 11, said flexions 19 remaining permanent.
Un terzo inconveniente sono le flessioni 119 che intervengono nella seconda flangia 13 e che comportano un non corretto posizionamento dell'anello 11, anche dette flessioni rimanendo permanenti. A third drawback are the flexures 119 which intervene in the second flange 13 and which entail an incorrect positioning of the ring 11, also said flexions remaining permanent.
Quando una flessione diviene permanente, le parti interessate del supporto 10 divengono inutilizzabili. When a bending becomes permanent, the affected parts of the support 10 become unusable.
Un quarto inconveniente è la ridotta coppia di serraggio applicabile sulle viti 14. A fourth drawback is the reduced tightening torque applicable to the screws 14.
Un quinto inconveniente è la non capacità del supporto 10, in determinate condizioni, di portare in rotazione l'anello 11 e quindi di rendere operativa la gabbia di laminazione. A fifth drawback is the inability of the support 10, under certain conditions, to rotate the ring 11 and therefore to make the rolling stand operative.
Per risolvere questi problemi, la proponente ha To solve these problems, the proponent has
ESPOSIZIONE DEL TROVATO EXPOSURE OF THE FOUND
Il trovato è esposto e caratterizzato nella rivendicazione principale. The invention is disclosed and characterized in the main claim.
Le rivendicazioni derivate espongono varianti all'idea di soluzione. The derived claims expose variants to the solution idea.
Il trovato viene espresso illustrativamente nella figura 2. The invention is illustrated by way of illustration in Figure 2.
In detta figura si vede l'albero 16 che si estende fin oltre lo spessore dell'anello 11 a creare un'appendice torica 20. In said figure the shaft 16 is seen which extends beyond the thickness of the ring 11 to create a toric appendage 20.
Detta appendice torica 20, cioè fatta ad anello a sbalzo, entra con un montaggio stretto in una cava torica 21 coniugata che riconduce la linea di giunzione 15 nell'intorno della corrispondenza dello spessore dell'anello 11, in corrispondenza al foro di calettamento. Said toric appendix 20, that is made in a cantilevered ring, enters with a tight assembly into a mating toric slot 21 which leads the junction line 15 around the correspondence of the thickness of the ring 11, in correspondence with the keying hole.
Questa maschiatura tra appendice torica 20 e cava torica 21, eseguita di precisione, è determinante per il contenimento delle deformazioni reciproche tra la prima flangia 12 e la seconda flangia 13 quando viene inserito l'anello 11 ed il supporto 10 viene chiuso e precaricato. This precision tapping between the toric appendage 20 and the toric slot 21 is decisive for containing the reciprocal deformations between the first flange 12 and the second flange 13 when the ring 11 is inserted and the support 10 is closed and preloaded.
cosi discontinuità di contatto tra le superfici dato che, per mezzo della maschiatura tra cava torica 21 e appendice torica 20, l'albero 16 di calettamento anello 11 riceve ben poche sollecitazioni dovute ad una precarica dei sottosquadri 17. thus discontinuity of contact between the surfaces since, by means of the tapping between the toric slot 21 and the toric appendage 20, the shaft 16 for keying the ring 11 receives very little stress due to a preloading of the undercuts 17.
Questa soluzione permette inoltre di allungare le viti di assemblaggio 14, il che consente di aumentare la coppia di serraggio avendo una lunghezza maggiore disponibile su cui distribuire il carico. This solution also allows to lengthen the assembly screws 14, which allows to increase the tightening torque by having a greater length available on which to distribute the load.
Il trovato prevede poi di inserire sulle facce di sottosquadro 17 degli anelli 22 in materiale antifrizione con alto indice di aderenza, ciò che garantisce l'assenza di qualsiasi pattinamento dell'anello 11 sinterizzato nel supporto 10 anche con valori di coppia elevati. The invention then provides for the insertion on the undercut faces 17 of rings 22 made of anti-friction material with a high adhesion index, which guarantees the absence of any sliding of the sintered ring 11 in the support 10 even with high torque values.
Gli anelli 22 sotto carico hanno un cedimento dimensionale del tutto trascurabile, il che assicura sempre una buona corrispondenza tra i canali di due anelli reciproci. The rings 22 under load have a completely negligible dimensional yield, which always ensures a good correspondence between the channels of two reciprocal rings.
Claims (1)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT60459U IT221096Z2 (en) | 1990-11-27 | 1990-11-27 | SUPPORT FOR RINGS FOR ROLLING CAGES WITH ROLLER ROLLERS |
EP91119704A EP0488022B1 (en) | 1990-11-27 | 1991-11-18 | Support for rolling rings on rolling stands having rolls supported as cantilevers |
ES91119704T ES2060276T3 (en) | 1990-11-27 | 1991-11-18 | SUPPORT FOR ROLLING ROLLERS IN ROLLING TRAINS THAT HAVE SUSPENDED ROLLERS IN CANTILEVER. |
AT91119704T ATE108712T1 (en) | 1990-11-27 | 1991-11-18 | HOLDERS FOR ROLLING RINGS FOR ROLLING STANDS WITH OVERHEAD ROLLERS. |
DE69102979T DE69102979T2 (en) | 1990-11-27 | 1991-11-18 | Holder for rolling rings for roll stands with overhung rollers. |
US07/797,024 US5184493A (en) | 1990-11-27 | 1991-11-25 | Support for rolling rings on rolling stands having rolls supported as cantilevers |
JP31030191A JP3240168B2 (en) | 1990-11-27 | 1991-11-26 | Support for roll ring of cantilever type roll stand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT60459U IT221096Z2 (en) | 1990-11-27 | 1990-11-27 | SUPPORT FOR RINGS FOR ROLLING CAGES WITH ROLLER ROLLERS |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9060459V0 IT9060459V0 (en) | 1990-11-27 |
IT9060459U1 true IT9060459U1 (en) | 1992-05-27 |
IT221096Z2 IT221096Z2 (en) | 1994-02-09 |
Family
ID=11291151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT60459U IT221096Z2 (en) | 1990-11-27 | 1990-11-27 | SUPPORT FOR RINGS FOR ROLLING CAGES WITH ROLLER ROLLERS |
Country Status (7)
Country | Link |
---|---|
US (1) | US5184493A (en) |
EP (1) | EP0488022B1 (en) |
JP (1) | JP3240168B2 (en) |
AT (1) | ATE108712T1 (en) |
DE (1) | DE69102979T2 (en) |
ES (1) | ES2060276T3 (en) |
IT (1) | IT221096Z2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE528850C2 (en) | 2005-06-17 | 2007-02-27 | Sandvik Intellectual Property | Roller and spacer ring with power transmitting end surface |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR67543E (en) * | 1955-02-08 | 1958-03-13 | Separator for liquids of different densities | |
GB1298065A (en) * | 1968-12-10 | 1972-11-29 | British Iron Steel Research | Rolling mill work roll assemblies |
GB1252549A (en) * | 1970-07-25 | 1971-11-03 | ||
DE2112966C3 (en) * | 1971-03-17 | 1973-11-22 | Walter Dipl.-Ing. 8000 Muenchen Hufnagl | Roller arrangement for the production of wires or rods with a smooth or a ribbed surface |
FR2182685B1 (en) * | 1972-05-04 | 1980-03-14 | Ugine Carbone | |
JPS5345179A (en) * | 1976-10-06 | 1978-04-22 | Fujitsu Ltd | Production of semiconductor device |
SU839635A1 (en) * | 1979-07-13 | 1981-01-23 | Львовское Специальное Конструктор-Cko-Технологическое Бюро Произ-Водственного Объединения "Ювелир-Пром" | Rolling roll support |
JPS632509A (en) * | 1986-06-19 | 1988-01-07 | Mitsubishi Metal Corp | Rolling mill |
GB2193670B (en) * | 1986-08-11 | 1990-03-21 | Copper Refineries Pty Ltd | Mill roll |
JPH0622723B2 (en) * | 1986-12-27 | 1994-03-30 | 住友金属工業株式会社 | Method for manufacturing compound rolling roll |
DE3725013A1 (en) * | 1987-07-29 | 1989-02-09 | Schloemann Siemag Ag | CLAMPING DEVICE FOR RINGED BODIES ON A BOTH SIDED BEARING |
-
1990
- 1990-11-27 IT IT60459U patent/IT221096Z2/en active IP Right Grant
-
1991
- 1991-11-18 ES ES91119704T patent/ES2060276T3/en not_active Expired - Lifetime
- 1991-11-18 AT AT91119704T patent/ATE108712T1/en not_active IP Right Cessation
- 1991-11-18 DE DE69102979T patent/DE69102979T2/en not_active Expired - Fee Related
- 1991-11-18 EP EP91119704A patent/EP0488022B1/en not_active Expired - Lifetime
- 1991-11-25 US US07/797,024 patent/US5184493A/en not_active Expired - Lifetime
- 1991-11-26 JP JP31030191A patent/JP3240168B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3240168B2 (en) | 2001-12-17 |
US5184493A (en) | 1993-02-09 |
IT9060459V0 (en) | 1990-11-27 |
EP0488022A1 (en) | 1992-06-03 |
ES2060276T3 (en) | 1994-11-16 |
DE69102979T2 (en) | 1994-12-01 |
JPH0798013A (en) | 1995-04-11 |
ATE108712T1 (en) | 1994-08-15 |
DE69102979D1 (en) | 1994-08-25 |
EP0488022B1 (en) | 1994-07-20 |
IT221096Z2 (en) | 1994-02-09 |
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Legal Events
Date | Code | Title | Description |
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0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951128 |